TM-9-2320-283-20-1

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3

DECEMBER 1983

TM-9-2320-283-20-1 - Page 873 of 926

TM 9-2320-283-20-1

COOLING SYSTEM.

3-64.

WATER PUMP REPLACEMENT.

THIS TASK COVERS

a.

Removal.

b.

Cleaning and Inspection.

c.

Installation.

INITIAL SETUP

EQUIPMENT CONDITION

APPLICABLE CONFIGURATIONS

PARAGRAPH

CONDITION DESCRIPTION

All.

3-65.

Fan and fan clutch

removed.

TEST EQUIPMENT

3-63.

Water pump drive belts

None.

removed.

3-52.

Coolant drained.

SPECIAL TOOLS

None.

MATERIALS/PARTS (P/N)

Oil, lubricating: OE/HDO-30

Gasket, water pump

Item 16, Appendix C.

(15434) 3002385.

Tape, thread sealing

Gasket, water connection

Item 32, Appendix C.

(15434) 3024960.

Grease, automotive and artillery

O-ring

Item 7, Appendix C.

(15434) 43463-A.

PERSONNEL REQUIRED

SPECIAL ENVIRONMENTAL CONDITIONS

One (MOS-63S).

None.

REFERENCES (TM)

GENERAL SAFETY INSTRUCTIONS

TM 9-2320-283-10.

Engine off.

TM 9-2320-283-20P.

Transmission in neutral.

Park brake set.

TROUBLESHOOTING REFERENCES

Paragraph 2-11.

3-356